Re: [PATCH][next] null_blk: Fix null pointer dereference on nullb->disk on blk_cleanup_disk call
From: Jens Axboe
Date: Thu Jun 03 2021 - 11:55:08 EST
On 6/2/21 4:06 AM, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The error handling on a nullb->disk allocation currently jumps to
> out_cleanup_disk that calls blk_cleanup_disk with a null pointer causing
> a null pointer dereference issue. Fix this by jumping to out_cleanup_tags
> instead.
Applied, thanks.
--
Jens Axboe